Wolf Tooth Upper Headset - Orange - IS41-28.6 - 25mm Stack Images Uploaded - Ready for Review Tubeless canister: This is just

Tubeless canister: This is just a standard pump rather than a canister style pump

Manufactured to the high standards Shimano is known for

Chain Compatibility: Suits 10 or 11speed chains (10sp chain works on 9sp drivetrain)

Cable Construction: STS-PS (pre-stretched

No more grimacing when you bash your crank arms on rough trails

Wolf Tooth Upper Headset - Orange - IS41-28.6 - 25mm Stack Images Uploaded - Ready for Review Tubeless canister: This is justWolf Tooth Upper Headsets are machined in the USA out of aircraft grade aluminium with superior sealing for protection against the elements. Available in a variety of colours to add some style to your bike. The ZS headsets are for frames with internal bearing cups that are pressed into the frame. The EC headsets are for frames with external bearing cups. In other words, the bearing sits outside of the frame with these headsets. These IS headsets are